1. a belief or doctrine that inherent differences among the various motorcycles/motorcyclist determine cultural or individual achievement, usually involving the idea that one's own motorcycle is superior and has the right to rule over all others.

2. hatred or intolerance of another motorcyclist or other motorcycles.

Motoracist / Motoracism can be based on brand or motorcycle type.

A motoracist would say "All of those are nothing but copies of Harley-Davidsons" or they would hang and burn a jap bike at a party.